63876713503 has 2 divisors, whose sum is σ = 63876713504. Its totient is φ = 63876713502.

The previous prime is 63876713479. The next prime is 63876713519. The reversal of 63876713503 is 30531767836.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63876713503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63876713533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31938356751 + 31938356752.

It is an arithmetic number, because the mean of its divisors is an integer number (31938356752).

Almost surely, 2^63876713503 is an apocalyptic number.

63876713503 is a deficient number, since it is larger than the sum of its proper divisors (1).

63876713503 is an equidigital number, since it uses as much as digits as its factorization.

63876713503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 63876713503 in words is "sixty-three billion, eight hundred seventy-six million, seven hundred thirteen thousand, five hundred three".